<template>
  <div class="role-container">
    <div class="left-wrapper">
      <div
        v-for="(item, index) in roleList"
        :key="item.roleId"
        class="role-item"
        :class="{ active: activeIndex === index }"
        @click="menuChange(index)"
      >
        <div class="role-info">
          <svg-icon
            :icon-class="activeIndex === index ? 'user-active' : 'user'"
            class="icon"
          />
          {{ item.roleName }}
        </div>
        <div class="more">
          <el-dropdown>
            <span class="el-dropdown-link">
              <svg-icon icon-class="more" />
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item @click.native="toEdit(item.roleId)"
                >编辑角色</el-dropdown-item
              >
              <el-dropdown-item>删除</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
      </div>
      <el-button
        class="addBtn"
        size="mini"
        @click="$router.push('/sys/addRole')"
        >添加角色</el-button
      >
    </div>
    <div class="right-wrapper">
      <el-tabs v-model="activeName">
        <el-tab-pane label="功能权限" name="permission">
          <div class="tree-wrapper">
            <div v-for="item in treeList" :key="item.id" class="tree-item">
              <div class="tree-title">{{ item.title }}</div>
              <el-tree
                :data="item.children"
                :props="defaultProps"
                :default-expand-all="true"
                show-checkbox
                node-key="id"
                ref="tree"
              >
              </el-tree>
            </div>
          </div>
        </el-tab-pane>
        <el-tab-pane :label="`成员(${total})`" name="employee">
          <div class="user-wrapper">
            <el-table :data="userList" style="width: 100%">
              <el-table-column type="index" width="250" label="序号" />
              <el-table-column prop="name" label="员工姓名" />
              <el-table-column prop="userName" label="登录账号" />
            </el-table>
          </div>
        </el-tab-pane>
      </el-tabs>
    </div>
  </div>
</template>

<script>
import {
  getRoleListAPI,
  getTreeListAPI,
  getRoleDetailAPI,
  getRoleUserListAPI,
} from "@/api/sysytem";
export default {
  name: "Role",
  data() {
    return {
      total: 0,
      userList: [],
      //分页信息
      params: {
        page: 1,
        pageSize: 10,
      },
      //标签栏第一个选择的选项
      activeName: "permission",
      //默认属性映射
      defaultProps: {
        label: "title",
        disabled: function () {
          //禁用点击
          return true;
        },
      },
      //权限列表
      treeList: [],
      //角色列表
      roleList: [],
      //高亮索引
      activeIndex: 0,
    };
  },
  async created() {
    await this.getRoleList();
    await this.getTreeList();
    await this.menuChange(0);
  },
  methods: {
    toEdit(id) {
      this.$router.push(`/sys/addRole?id=${id}`);
    },
    //获取角色下的成员信息
    async getRoleUserList(roleId) {
      const res = await getRoleUserListAPI(roleId, this.params);
      this.total = res.data.total;
      this.userList = res.data.rows;
    },
    //根据对应的id获取对应权限列表并回显
    async getRoleDetail(roleId) {
      const res = await getRoleDetailAPI(roleId);
      const perms = res.data.perms;
      const treeComponentList = this.$refs.tree;
      treeComponentList.forEach((tree, index) => {
        tree.setCheckedKeys(perms[index]);
      });
    },
    //获取所有的权限列表
    async getTreeList() {
      const res = await getTreeListAPI();
      this.treeList = res.data;
    },
    //点击菜单的事件
    menuChange(index) {
      this.activeIndex = index;
      const roleId = this.roleList[index].roleId;
      //获取角色回显的权限数据
      this.getRoleDetail(roleId);
      //获取角色下的成员信息
      this.getRoleUserList(roleId);
    },
    async getRoleList() {
      const res = await getRoleListAPI();
      this.roleList = res.data;
    },
  },
};
</script>

<style scoped lang="scss">
.role-container {
  display: flex;
  font-size: 14px;
  background-color: #fff;
  padding: 20px;

  .left-wrapper {
    width: 200px;
    border-right: 1px solid #e4e7ec;
    padding: 4px;
    text-align: center;

    .role-item {
      position: relative;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      cursor: pointer;

      &.active {
        background: #edf5ff;
        color: #4770ff;
      }
    }

    .role-info {
      display: flex;
      align-items: center;

      .icon {
        margin-right: 10px;
      }
    }

    .more {
      display: flex;
      align-items: center;
    }

    .addBtn {
      width: 100%;
      margin-top: 20px;
    }
  }

  .right-wrapper {
    flex: 1;

    .tree-wrapper {
      display: flex;
      justify-content: space-between;

      .tree-item {
        flex: 1;
        border-right: 1px solid #e4e7ec;
        padding: 0px 4px;
        text-align: center;

        .tree-title {
          background: #f5f7fa;
          text-align: center;
          padding: 10px 0;
          margin-bottom: 12px;
        }
      }
    }

    ::v-deep .el-tabs__nav-wrap {
      padding-left: 20px;
    }

    .user-wrapper {
      padding: 20px;
    }
  }
}
</style>